- #1
drema9
- 4
- 0
the question is.
1. (a>b). (b>c)
2. c>-d
3. b>e
4. -d>f
5. -e v -f
We have to find -a v -c
i can get so far then bam nothing! any help would be great thank you.
6. a>b 1 simp
7. b>-c 1,6, mp
8. a>-c h.s.
1. (a>b). (b>c)
2. c>-d
3. b>e
4. -d>f
5. -e v -f
We have to find -a v -c
i can get so far then bam nothing! any help would be great thank you.
6. a>b 1 simp
7. b>-c 1,6, mp
8. a>-c h.s.